JPH0479404U

JPH0479404U -

Info

Publication number: JPH0479404U
Application number: JP12235490U
Authority: JP
Priority date: 1990-11-21
Filing date: 1990-11-21
Publication date: 1992-07-10

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例の磁気シールド型面
実装コイル装置を下方向から見た斜視図、第２図
は本考案の一実施例の磁気シールド型面実装コイ
ル装置を上方向から見た斜視図、第３図はコイル
本体を示す斜視図、第４図はドラム型コアを示す
斜視図、第５図は磁気シールドコアを示す斜視図
、第６図は本考案の実施例の磁気シールド型面実
装コイル装置の実装機による保持方法を説明する
ための図、第７図は本考案の他の実施例の磁気シ
ールド型面実装コイル装置を示す斜視図、第８図
は第７図におけるＨ−Ｈ線断面図、第９図は前記
実施例の磁気シールド型面実装コイル装置の平面
図、第１０図は同上の底面図、第１１図は同上の
正面図、第１２図は従来例を示す一部断面を有す
る正面図、第１３図は従来例を示す平面図、第１
４図は従来例を示す底面図、第１５図及び第１６
図はそれぞれ実装機による部品の保持方法を説明
するための図である。２１……磁気シールド型面実装コイル装置、２
２……巻線巻回部、２３，２４……鍔部、２５…
…ドラム型コア、２６……巻線、２６ａ，２６ｂ
……端部、２９，３０……電極部、３１……コイ
ル本体、４１……磁気シールドコア。 Fig. 1 is a perspective view of a magnetically shielded surface mount coil device according to an embodiment of the present invention viewed from below, and Fig. 2 is a perspective view of a magnetically shielded surface mount coil device according to an embodiment of the present invention viewed from above. 3 is a perspective view showing the coil body, FIG. 4 is a perspective view showing the drum-shaped core, FIG. 5 is a perspective view showing the magnetic shield core, and FIG. 6 is a perspective view showing the magnetic shield of the embodiment of the present invention. FIG. 7 is a perspective view showing a magnetically shielded surface mount coil device according to another embodiment of the present invention; FIG. FIG. 9 is a plan view of the magnetically shielded surface mount coil device of the above embodiment, FIG. 10 is a bottom view of the above, FIG. 11 is a front view of the above, and FIG. 12 is a conventional FIG. 13 is a front view with a partial cross section showing an example; FIG. 13 is a plan view showing a conventional example;
Figure 4 is a bottom view showing the conventional example, Figures 15 and 16
Each figure is a diagram for explaining a method of holding components by a mounting machine. 21...Magnetic shield type surface mount coil device, 2
2... Winding winding part, 23, 24... Flange part, 25...
...Drum-shaped core, 26...Winding, 26a, 26b
... End portion, 29, 30 ... Electrode portion, 31 ... Coil body, 41 ... Magnetic shield core.

Claims

[Claims for Utility Model Registration] (1) A drum-shaped core consisting of a winding portion and flanges formed at both ends of the winding portion, and a winding wound around the winding portion. a coil body having an electrode portion housing the end of the winding wire on the outside of the one collar portion; A magnetically shielded surface mount coil, characterized in that the magnetically shielded core has a substantially rectangular parallelepiped cylindrical structure that allows confirmation of the mounting direction with respect to the mounting surface of the coil device. Device. (2) The flange portion of the drum-shaped core on which the electrode portion of the coil body is formed is a large flange portion formed in such a shape that a part of the outer surface thereof is located approximately on the same plane as the outer circumferential surface of the magnetic shield core. 2. The magnetically shielded surface mount coil device according to claim 1, wherein the magnetically shielded surface mount coil device has a structure in which the large flange is placed on one end of the magnetically shielded core. (3) Claim 2, wherein one end of the magnetic shield core has a positioning protrusion for the large flange.
The magnetically shielded surface mount coil device described above. (4) The magnetically shielded surface mount coil device according to claim 1, wherein the magnetically shielded core has a notch portion at a lower end portion corresponding to the electrode portion of the coil body.